Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4PSC callsign genealogy
Currently held by COLON IRIZARRY, PEDRO A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WP4PSC's current licensee, walking backwards.
- COLON IRIZARRY, PEDRO APRgranted 2016-08-24cancelled 2016-08-31
Successor callsigns
Callsigns held now by people who previously held WP4PSC.
No current licensee on record previously held this callsign.